CN214470673U

CN214470673U - Office chair lift axle roughness detection device

Info

Publication number: CN214470673U
Application number: CN202120210412.3U
Authority: CN
Inventors: 杨新宇
Original assignee: Zhenjiang Yudeng Machinery Co ltd
Current assignee: Zhenjiang Yudeng Machinery Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-22
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses an office chair lift axle roughness detection device relates to lift axle detection technical field, comprising a base plate, the left end of bottom plate upper surface is provided with fixture, the right-hand member fixedly connected with electric putter of bottom plate upper surface, electric putter's flexible end fixedly connected with connecting plate, the last fixed surface of connecting plate is connected with receiver and first motor, the output pivot fixedly connected with rotation axis of first motor. The utility model relates to a rational in infrastructure, it can be through setting up fixture, can make the rotation axis drive the laser detection head and insert the centre of a circle department of going up and down epaxial through-hole, guarantees the degree of accuracy of testing result, through electric putter, connecting plate, receiver, first motor, rotation axis and laser detection cooperation setting between the head, can detect simultaneously the circularity and the roughness of going up and down an axle through-hole, has improved the detection scope to the axle that goes up and down.

Description

Office chair lift axle roughness detection device

Technical Field

The utility model relates to a lift axle detects technical field, specifically is an office chair lift axle roughness detection device.

Background

The lifting chair is a general name, which refers to a swivel chair with a height-adjustable chair surface and a horizontally rotatable chair surface, people usually refer to the swivel lifting chair, swivel chair, computer chair, office chair and other names.

The lift of office chair is controlled by the lift axle, in order to guarantee the suitability of lift axle and main shaft, the lift axle needs to detect the roughness of lift axle inner wall in process of production, traditional roughness detection device adopts the handheld detector of workman to detect along the ascending roughness of circumferencial direction in the through-hole of lift axle mostly, however, above-mentioned detection mode only can detect whether have the burr in the through-hole, because of being difficult to guarantee that the detector is located the centre of a circle department of through-hole, the event leads to being difficult to carrying out the circle to the shape of through-hole and detects. Therefore, the flatness detection device for the lifting shaft of the office chair is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing an office chair lift axle roughness detection device in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an office chair lift axle roughness detection device, includes the bottom plate, the left end of bottom plate upper surface is provided with fixture, the right-hand member fixedly connected with electric putter of bottom plate upper surface, electric putter's flexible fixedly connected with connecting plate, the last fixed surface of connecting plate is connected with receiver and first motor, the output pivot fixedly connected with rotation axis of first motor, and the bottom of rotation axis run through the inside of connecting plate and fixedly connected with laser detection head, laser detection head is connected with the receiver electricity.

Further, fixture includes the box, the bottom surface fixed connection of box is in the upper surface of bottom plate, the center of box bottom surface is rotated and is connected with the lead screw, the bottom fixedly connected with of lead screw is from the driving wheel, the top threaded connection of lead screw has the thread bush, the upper surface fixed connection of thread bush has the linkage piece.

Further, the left side fixedly connected with second motor of box inner wall, the output pivot fixedly connected with action wheel of second motor, and the action wheel is connected with from the driving wheel transmission.

Furthermore, a guide groove is formed in the right side of the inner wall of the box body, a guide block is connected to the inside of the guide groove in a sliding mode, and the left end of the guide block is fixedly connected to the bottom of the outer surface of the threaded sleeve.

Further, two sets of symmetrical spouts, every are seted up to the upper surface of box the equal sliding connection in inside of spout has the slider, every the bottom surface of slider all articulates there is the hinge bar, every the one end that the slider was kept away from to the hinge bar all articulates in the surface of linkage piece.

Furthermore, the upper surface of the box body is fixedly connected with a positioning sleeve, one side surface, away from the positioning sleeve, of each sliding block is fixedly connected with an arc-shaped clamping plate, and the positioning sleeve, the box body and the rotating shaft are all located on the same central axis.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this office chair lift axle roughness detection device possesses following beneficial effect:

the utility model discloses a set up fixture, the second motor promptly, the action wheel, the lead screw, from the driving wheel, the threaded sleeve, the linkage piece, the hinge bar, the slider, cooperation setting between spout and the arc splint, it is rotatory to drive the action wheel through the output pivot of second motor, under the effect from the driving wheel, it is rotatory in the inside of box to make the lead screw, thereby make the threaded sleeve carry out the lifting and dropping movement, under the effect of hinge bar, make the linkage piece drive the slider and slide in the inside of spout, and under the effect of arc splint, the purpose to lift axle location centre gripping has been realized, the effect of lift axle and rotation axis location has been reached, can make the rotation axis drive the centre of a circle department that the laser detection head inserted the epaxial through-hole of lift, guarantee the degree of accuracy of testing result.

Two, the utility model discloses an electric putter, the connecting plate, the receiver, first motor, cooperation setting between rotation axis and the laser detection head, flexible end through electric putter drives the connecting plate lift removal, the purpose in inserting the through-hole with the laser detection head has been realized, it is rotatory to drive the rotation axis through the output pivot of first motor, the purpose that the laser detection head detected along the circumferencial direction has been realized, and under the effect of receiver, the purpose to the testing result record has been realized, to sum up, can detect simultaneously with the roughness to the circularity of lift axle through-hole, the detection range to the lift axle has been improved.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the front view of the present invention;

fig. 3 is a schematic structural diagram of the clamping mechanism of the present invention.

In the figure: 1. a base plate; 2. an electric push rod; 3. a connecting plate; 4. a receiver; 5. a first motor; 6. a rotating shaft; 7. a laser detection head; 8. a clamping mechanism; 801. a box body; 802. a second motor; 803. a driving wheel; 804. a screw rod; 805. a driven wheel; 806. a threaded sleeve; 807. a guide block; 808. a guide groove; 809. a linkage block; 810. a hinged lever; 811. a slider; 812. a chute; 813. an arc-shaped splint; 814. and (5) positioning the sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides an office chair lift axle roughness detection device, comprising a base plate 1, the left end of 1 upper surface of bottom plate is provided with fixture 8, the right-hand member fixedly connected with electric putter 2 of 1 upper surface of bottom plate, electric putter 2 uses XTL300 type electric putter, electric putter 2's flexible fixedly connected with connecting plate 3, the last fixed surface of connecting plate 3 is connected with receiver 4 and first motor 5, first motor 5 uses CH V200W gear reduction motor, the output pivot fixedly connected with rotation axis 6 of first motor 5, and the bottom of rotation axis 6 runs through the inside and the fixedly connected with laser detection head 7 of connecting plate 3, laser detection head 7 is connected with the receiver 4 electricity.

Further, the clamping mechanism 8 comprises a box body 801, the bottom surface of the box body 801 is fixedly connected to the upper surface of the bottom plate 1, the center of the bottom surface of the box body 801 is rotatably connected with a lead screw 804, the bottom end of the lead screw 804 is fixedly connected with a driven wheel 805, the top end of the lead screw 804 is in threaded connection with a threaded sleeve 806, and the upper surface of the threaded sleeve 806 is fixedly connected with a linkage block 809. By providing the screw shaft 804, the screw shaft 804 is rotated in the case 801, and the screw sleeve 806 is moved up and down on the screw shaft 804.

Further, a second motor 802 is fixedly connected to the left side of the inner wall of the box 801, the second motor 802 uses a 5IK90GN-YF forward and reverse rotation motor, an output rotating shaft of the second motor 802 is fixedly connected with a driving wheel 803, and the driving wheel 803 is in transmission connection with a driven wheel 805. Through the arrangement of the second motor 802, an output rotating shaft of the second motor 802 drives the driving wheel 803 to rotate, and provides rotating power for the screw rod 804 under the action of the driven wheel 805.

Furthermore, a guide groove 808 is formed in the right side of the inner wall of the box body 801, a guide block 807 is slidably connected inside the guide groove 808, and the left end of the guide block 807 is fixedly connected to the bottom of the outer surface of the threaded sleeve 806. Through setting up guide block 807 and guide way 808, make threaded sleeve 806 drive guide block 807 and slide in the inside of guide way 808, stability when can promote threaded sleeve 806 and remove.

Further, two sets of symmetrical spout 812 have been seted up to the upper surface of box 801, and the equal sliding connection in inside of every spout 812 has slider 811, and the bottom surface of every slider 811 all articulates there is articulated pole 810, and the one end that slider 811 was kept away from to every articulated pole 810 all articulates in the surface of linkage 809. Through setting up articulated rod 810, with the both ends of articulated rod 810 respectively in the inside rotation of slider 811 and linkage block 809, can make linkage block 809 drive the inside slip of slider 811 at spout 812.

Furthermore, a positioning sleeve 814 is fixedly connected to the upper surface of the box body 801, an arc-shaped clamping plate 813 is fixedly connected to one side surface of each sliding block 811 away from the positioning sleeve 814, and the positioning sleeve 814, the box body 801 and the rotating shaft 6 are all located on the same central axis. Through setting up position sleeve 814, advance the location to the lift axle, be convenient for get the lift axle and put.

The working principle is as follows: firstly, the bottom end of the lifting shaft is inserted into the interior of the positioning sleeve 814, then the second motor 802 is started, the output rotating shaft of the second motor 802 drives the driving wheel 803 to rotate, the screw rod 804 is rotated in the interior of the box body 801 under the action of the belt and the driven wheel 805, so that the threaded sleeve 806 drives the guide block 807 to slide in the interior of the guide groove 808, the threaded sleeve 806 can drive the linkage block 809 to move downwards, the two ends of the hinge rod 810 respectively rotate in the interior of the linkage block 809 and the sliding block 811, the sliding block 811 slides in the interior of the sliding groove 812, under the action of the arc-shaped clamping plate 813, the purpose of positioning and clamping the lifting shaft is realized, the effect of positioning the lifting shaft and the rotating shaft 6 is achieved, the rotating shaft 6 can drive the laser detection head 7 to be inserted into the center of the through hole on the lifting shaft, the accuracy of the detection result is ensured, then the electric push rod 2 is started, make electric putter 2's flexible end drive connecting plate 3 and move down, until in inserting the through-hole of lift axle with laser detection head 7, then, start first motor 5, make the output pivot of first motor 5 drive rotation axis 6 rotatory, and make laser detection head 7 detect along the circumferencial direction in the inside of through-hole, and finally, laser detection head 7 will detect data feedback and give receiver 4, can detect simultaneously the circularity and the roughness of lift axle through-hole, the detection range to the lift axle has been improved.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an office chair lift axle roughness detection device, includes bottom plate (1), its characterized in that: the left end of bottom plate (1) upper surface is provided with fixture (8), the right-hand member fixedly connected with electric putter (2) of bottom plate (1) upper surface, the flexible fixedly connected with connecting plate (3) of electric putter (2), the last fixed surface of connecting plate (3) is connected with receiver (4) and first motor (5), the output pivot fixedly connected with rotation axis (6) of first motor (5), and the bottom of rotation axis (6) run through the inside and the fixedly connected with laser detection head (7) of connecting plate (3), laser detection head (7) are connected with receiver (4) electricity.

2. The office chair lifting shaft flatness detecting device according to claim 1, characterized in that: the clamping mechanism (8) comprises a box body (801), the bottom surface of the box body (801) is fixedly connected to the upper surface of the bottom plate (1), the center of the bottom surface of the box body (801) is rotatably connected with a lead screw (804), the bottom end of the lead screw (804) is fixedly connected with a driven wheel (805), the top end of the lead screw (804) is in threaded connection with a threaded sleeve (806), and the upper surface of the threaded sleeve (806) is fixedly connected with a linkage block (809).

3. The office chair lifting shaft flatness detecting device according to claim 2, characterized in that: the left side fixedly connected with second motor (802) of box (801) inner wall, the output pivot fixedly connected with action wheel (803) of second motor (802), and action wheel (803) are connected with from driving wheel (805) transmission.

4. The office chair lifting shaft flatness detecting device according to claim 2, characterized in that: a guide groove (808) is formed in the right side of the inner wall of the box body (801), a guide block (807) is connected to the inside of the guide groove (808) in a sliding mode, and the left end of the guide block (807) is fixedly connected to the bottom of the outer surface of the threaded sleeve (806).

5. The office chair lifting shaft flatness detecting device according to claim 2, characterized in that: two sets of symmetrical spout (812) are seted up to the upper surface of box (801), every equal sliding connection in inside of spout (812) has slider (811), every the bottom surface of slider (811) all articulates there is articulated pole (810), every one end that slider (811) are kept away from in articulated pole (810) all articulates in the surface of linkage piece (809).

6. The office chair lifting shaft flatness detecting device according to claim 5, wherein: the upper surface of the box body (801) is fixedly connected with a positioning sleeve (814), one side surface, far away from the positioning sleeve (814), of each sliding block (811) is fixedly connected with an arc-shaped clamping plate (813), and the positioning sleeve (814), the box body (801) and the rotating shaft (6) are located on the same central axis.